40350044 has 48 divisors (see below), whose sum is σ = 86381568. Its totient is φ = 16098048.

The previous prime is 40350043. The next prime is 40350047. The reversal of 40350044 is 44005304.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40349998 and 40350025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40350043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48617 + ... + 49439.

It is an arithmetic number, because the mean of its divisors is an integer number (1799616).

Almost surely, 2^40350044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40350044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43190784).

40350044 is an abundant number, since it is smaller than the sum of its proper divisors (46031524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40350044 is a wasteful number, since it uses less digits than its factorization.

40350044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954 (or 952 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 40350044 is about 6352.1684486481. The cubic root of 40350044 is about 342.9899047028.

Adding to 40350044 its reverse (44005304), we get a palindrome (84355348).

The spelling of 40350044 in words is "forty million, three hundred fifty thousand, forty-four".